AM_Anorthoclase_7 Formula: (Na.63 K.27 Ca.1) (Al1.1 Si2.9) O8 Name: Anorthoclase Unit cell: 7.959 12.767 6.999 92.51 116.5 90.69 , V=635.46 Space group: C-1 (2)

Nestola F , Curetti N , Benna P , Ivaldi G , Angel R , Bruno E , The Canadian Mineralogist , 46 (2008) p.1443-1454, Compressibility and high-pressure behavior of Ab63Or27An10 anorthoclase, Locality: Torino, Italy, Note: P = 4.7 GPa